Power Solutions International, Inc.

DRIEHAUS CAPITAL MANAGEMENT LLC PSIX

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

229,120

Value ($000)

13,092

Weight

0.1%

2013 Q4 - 2025 Q4 (4 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/17/2026	13,092	0.1%	229,120	12/31/2025
2025 Q3	11/14/2025	13,211	0.1%	134,502	9/30/2025
2014 Q1	5/15/2014	8,614	0.3%	114,600	3/31/2014
2013 Q4	2/13/2014	6,399	0.2%	85,200	12/31/2013